猜您在找 Cannot read property 'properties' of undefined Cannot read property ‘properties’ of undefined Uncaught TypeError: Cannot set property 'innerHTML' of undefined 提示：Cannot set property 'height' of undefined js - cannot set property xxx of undefined vue-pdf Cannot read properties of undefined (reading 'catch') [Vue warn]: Error in render: "TypeError: Cannot read properties of undefined (reading '********')" Vue.js TypeError: Cannot set property 'render' of undefined vue3 Cannot set property 'render' of undefined解决方法 JS报错 Cannot set property 'display' of undefined问题